#129B99 Color Information

Hex color code: #129B99

A dynamic cyan shade, #129B99 appears as (18, 155, 153) in RGB and (179°, 79%, 34%) in HSL. It is widely used in graphic design.

Try:
Color NameDark Cyan
HEX
#129B99
RGB
18, 155, 153
HSL
179°, 79%, 34%
CMYK
88%, 0%, 1%, 39%

Shades

CSS Usage
color: #129B99;
background-color: #129B99;
border-color: #129B99;
box-shadow: 0 0 10px #129B99;
border: 2px solid #129B99;
Tailwind Usage
bg-[#129B99]
text-[#129B99]
border-[#129B99]
shadow-[0_0_10px_129B99]

Generate Gradient

Gradient CSS
background: linear-gradient(90deg, #129B99, #FF5733);

Preview in UI

Button

.btn-primary { background-color: #129B99; color: #000000; }

Badge

New Feature
.badge { background-color: #129B99; color: #000000; }

Text Highlight

The quick brown fox jumps over the lazy dog. highlighted text example shows how the color looks as a text highlight.

Card

Card Title

This card uses your color as a border accent.

.card-accent { border: 2px solid #129B99; background-color: #129B9915; }

Alert / Toast

This is an alert using your color as accent.
.alert { background-color: #129B9920; border-left: 4px solid #129B99; }

Link / Accent

This is a paragraph with a link using your color. The color can be applied to interactive elements.

a { color: #129B99; }

Related Colors

Complementary

Analogous

Triadic

Split Complementary

Tetradic

Monochromatic

Popular Colors

Common HEX Colors

Color Theory

Relationships based on the position of #129B99 in the color wheel.

Current Complementary Triadic Analogous

RGB, HSL and CMYK Values

RGB

18, 155, 153

Red: 18 / Green: 155 / Blue: 153

HSL

179°, 79%, 34%

Hue: 179° / Saturation: 79% / Lightness: 34%

CMYK

88%, 0%, 1%, 39%

Cyan: 88% / Magenta: 0% / Yellow: 1% / Key: 39%

What color is #129B99?

#129B99 is a cyan-blue hue associated with trust and professionalism.

Color Shades

Complementary Colors

Color Palette

HEX to RGB

Convert #129B99 to RGB:

rgb(18, 155, 153)HEX to RGB Converter →

HEX to HSL

Convert #129B99 to HSL:

hsl(179, 79%, 34%)RGB to HSL Converter →

HEX to CMYK

Convert #129B99 to CMYK:

cmyk(88%, 0%, 1%, 39%)Color Converter →

Color Meaning and Usage

A bold cyan tone, #129B99 has RGB (18, 155, 153) and HSL (179°, 79%, 34%). Known for evoking trust and professionalism, this cyan-blue hue is a common choice for dashboards and SaaS products. Lighter variations like #FFFFFF create softer gradients.

The complementary color of #129B99 is #9B1214, creating high-contrast pairings. For softer combinations, try analogous colors like #129B54.

Use #129B99 in CSS: color: #129B99 or background-color: #129B99. Create palettes with Color Palette Generator or check contrast with Contrast Checker.

Contrast with #129B99

Sample text on this color - The quick brown fox jumps over the lazy dog.

Contrast Ratio: 6.17:1
WCAG AA: Pass
WCAG AAA: Fail

Need more control? Contrast Checker →

Frequently Asked Questions

What color is #129B99?

#129B99 is a bold cyan color - a cyan-blue hue that evokes trust and professionalism.

What is the RGB value of #129B99?

#129B99 in RGB is (18, 155, 153) - 18 red, 155 green, and 153 blue.

How to use #129B99 in CSS?

Use #129B99 directly in your CSS properties like color or background-color.

What colors go well with #129B99?

#9B1214 (complementary), #129B54 (analogous), and #0A5755 (lighter shade) work well with #129B99.